The best thing to do in Sanya is relax. But in case you want to leave the pool or the beach, here's a list of the best of the best in Sanya, from a restaurant where you can try local delicacies like ginger-garlic 'Hele' crab to a hot spring spa to a monkey reserve on a tropical island where you can play with friendly macaques. Nobody is saying you need to leave the beach, though!